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| 1421 Vishay Foil Resistors Bulk Metal(R) Foil Technology 12 Pin Transistor Outline Hermetic Resistor Network The 12 pin TO-8 package is suitable for ladder networks up to ten bits and other more complicated networks. It is also a good choice when power dissipation is a consideration. This network can contain up to 49, V5X5 resistor chips. Review data sheet "7 Technical Reasons to Specify Bulk Metal(R) Foil Resistor Networks." Product may not be to scale ORDERING INFORMATION - 1421 PARTS Networks are built to your requirements. Send your schematic and electrical requirements to the Applications Engineering Department. (See data sheet "Network Worksheet.") A unique part number will be assigned which defines all aspects of your network. THROUGH HOLE FIGURE 1 - STANDARD DIMENSIONS in inches (millimeters) 0.540 -0.560 (13.71 -14.22) 0.150 MAXIMUM (3.81) 12 LEADS 0.016 -0.019 (0.41 -0.48) 0.500 MINIMUM (12.7) 0.590 -0.610 (14.99 -15.49) DIAMETER VISHAY MODEL NUMBER 1421 CHIP CAPACITY V5X5 - 49 chips MAXIMUM POWER RATING (WATTS) @ +70C 0.6 Watt NOTES: VIEWED FROM BOTTOM 0.200 TYPICAL (5.08) 0.400 TYPICAL (10.16) 0.100 TYPICAL (2.54) 0.200 TYPICAL (5.08) 0.026 -0.036 (0.66 -0.91) 6 5 4 3 2 7 8 8 10 11 12 1 1. These networks utilize Vishay Bulk Metal(R) Foil resistor chips V5X5 and V15X5 or VTF15X10 Thin Film chips. 2. The V5X5 and V15X5 chips have maximum resistance values of 10K and 33K respectively in Bulk Metal(R) Foil and 500K in VTF15X5 Thin Film chips. 0.026 -0.036 (0.66 -0.91) FIGURE 2 - SAMPLE CIRCUIT DESIGN AND CHIP LAYOUT 6 5 4 R4 7 R5 R3 R2 3 NOTE: Usable area is represented by dotted lines-- a square 0.350 Inches x 0.350 Inches. Illustrations not to scale. Chips shown undersize for clarity. Drawing view is from the top looking down into the package. FOUR DIVIDERS 1 2 3 4 6 7 9 10 12 8 9 R6 R7 R8 R1 1 2 5 8 11 10 11 12 * ITALY + 39.2.300.11919 FAX: +39.2.300.11999 * JAPAN +81.42.729.0661 FAX: +81.42.729.3400 * SINGAPORE +65.788.6668 FAX: +65.788.0988 * SWEDEN +46.8.594.70590 FAX: +46.8.594.70581 * UK +44 191 514 8237 FAX: +44 1953 457 722 * USA +1 610 407-4800 FAX: +1 610 640-9081 VISHAY FOIL * FRANCE +33.4.93.37.28.24 FAX: +33.4.93.37.27.31 * GERMANY +49.9287.710 FAX: +49 9287.70435 * ISRAEL +972.3.557.0945 FAX: +972.3.558.9121 www.vishay.com 124 Document Number: 63042 Revision 31-Jul-02 |
Price & Availability of 1421
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